CVE-2020-20092
CVE-2020-20092 is a critical-severity vulnerability in Articlecms Project Articlecms with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Articlecms Project Articlecms
- Published:
- Last modified:
Description
File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin by changing the Content-Type to image/jpeg and placing PHP code after the JPEG data, which could let a remote malicious user execute arbitrary PHP code.
Frequently asked questions
- What is CVE-2020-20092?
- File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin by changing the Content-Type to image/jpeg and placing PHP code after the JPEG data, which could let a remote malicious user execute arbitrary PHP code.
- How severe is CVE-2020-20092?
- CVE-2020-20092 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-20092 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-20092?
- CVE-2020-20092 affects Articlecms Project Articlecms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-20092?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-20092 published?
- CVE-2020-20092 was published on 2021-05-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:articlecms_project:articlecms:1.0:*:*:*:*:*:*:*
More vulnerabilities in Articlecms Project Articlecms
- CVE-2020-28063 — Critical (CVSS 9.8): A file upload issue exists in all versions of ArticleCMS which allows malicious users to getshell.
- CVE-2018-19469 — Medium (CVSS 6.1): ArticleCMS through 2017-02-19 has XSS via the /update_personal_infomation realname or email parameter.
- CVE-2018-12339 — Medium (CVSS 5.4): ArticleCMS through 2017-02-19 has XSS via an "add an article" action.
All CVEs affecting Articlecms Project Articlecms →
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